Low-energy pi N S wave scattering in the vector meson extended Skyrme model

Masak, D.; Walliser, H.; Holzwarth, G.

doi:10.1016/0375-9474(92)90114-Y

Low-energy pi N S wave scattering in the vector meson extended Skyrme model

1992

14 pages

Published in:

Nucl.Phys.A 536 (1992) 583-596

Published: 1992

DOI:

10.1016/0375-9474(92)90114-Y

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Abstract: (Elsevier)

The low-energy π N S-wave phase shifts for a Skyrme-type lagrangian containing vector mesons are calculated. The scattering solutions of the O(1) background scattering are used to evaluate matrix elements of the O(1/ N c ) coupling terms in the meson-soliton hamiltonian. In addition to the isospin-splitting they provide an isospin-independent contribution to the K -matrix which compensates the O(1) background attraction. The results are insensitive to various forms of the anomalous part of the action as long as they conserve global chiral symmetry.

pi nucleon: interaction
interaction: pi nucleon
partial wave
Skyrme model
Lagrangian formalism
vector meson
S-matrix
background
effect: coupling
coupling: effect

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